Observium_CE/libs/Phpfastcache8/CacheManager.php

506 lines
18 KiB
PHP

<?php
/**
*
* This file is part of phpFastCache.
*
* @license MIT License (MIT)
*
* For full copyright and license information, please see the docs/CREDITS.txt file.
*
* @author Khoa Bui (khoaofgod) <khoaofgod@gmail.com> https://www.phpfastcache.com
* @author Georges.L (Geolim4) <contact@geolim4.com>
*
*/
declare(strict_types=1);
namespace Phpfastcache;
use Phpfastcache\Cluster\AggregatablePoolInterface;
use Phpfastcache\Config\ConfigurationOption;
use Phpfastcache\Config\ConfigurationOptionInterface;
use Phpfastcache\Core\Pool\ExtendedCacheItemPoolInterface;
use Phpfastcache\Exceptions\{PhpfastcacheDriverCheckException,
PhpfastcacheDriverException,
PhpfastcacheDriverNotFoundException,
PhpfastcacheInstanceNotFoundException,
PhpfastcacheInvalidArgumentException,
PhpfastcacheInvalidConfigurationException,
PhpfastcacheLogicException,
PhpfastcacheUnsupportedOperationException
};
use Phpfastcache\Util\ClassNamespaceResolverTrait;
/**
* Class CacheManager
* @package phpFastCache
*
* @method static ExtendedCacheItemPoolInterface Apcu() Apcu($config = []) Return a driver "Apcu" instance
* @method static ExtendedCacheItemPoolInterface Cassandra() Cassandra($config = []) Return a driver "Cassandra" instance
* @method static ExtendedCacheItemPoolInterface Cookie() Cookie($config = []) Return a driver "Cookie" instance
* @method static ExtendedCacheItemPoolInterface Couchbase() Couchbase($config = []) Return a driver "Couchbase" instance
* @method static ExtendedCacheItemPoolInterface Couchdb() Couchdb($config = []) Return a driver "Couchdb" instance
* @method static ExtendedCacheItemPoolInterface Devnull() Devnull($config = []) Return a driver "Devnull" instance
* @method static ExtendedCacheItemPoolInterface Files() Files($config = []) Return a driver "files" instance
* @method static ExtendedCacheItemPoolInterface Leveldb() Leveldb($config = []) Return a driver "Leveldb" instance
* @method static ExtendedCacheItemPoolInterface Memcache() Memcache($config = []) Return a driver "Memcache" instance
* @method static ExtendedCacheItemPoolInterface Memcached() Memcached($config = []) Return a driver "Memcached" instance
* @method static ExtendedCacheItemPoolInterface Memstatic() Memstatic($config = []) Return a driver "Memstatic" instance
* @method static ExtendedCacheItemPoolInterface Mongodb() Mongodb($config = []) Return a driver "Mongodb" instance
* @method static ExtendedCacheItemPoolInterface Predis() Predis($config = []) Return a driver "Predis" instance
* @method static ExtendedCacheItemPoolInterface Redis() Redis($config = []) Return a driver "Pedis" instance
* @method static ExtendedCacheItemPoolInterface Sqlite() Sqlite($config = []) Return a driver "Sqlite" instance
* @method static ExtendedCacheItemPoolInterface Ssdb() Ssdb($config = []) Return a driver "Ssdb" instance
* @method static ExtendedCacheItemPoolInterface Wincache() Wincache($config = []) Return a driver "Wincache" instance
* @method static ExtendedCacheItemPoolInterface Zenddisk() Zenddisk($config = []) Return a driver "Zend disk cache" instance
* @method static ExtendedCacheItemPoolInterface Zendshm() Zendshm($config = []) Return a driver "Zend memory cache" instance
*
*/
class CacheManager
{
public const CORE_DRIVER_NAMESPACE = 'Phpfastcache\Drivers\\';
use ClassNamespaceResolverTrait;
/**
* @var ConfigurationOption
*/
protected static $config;
/**
* @var string
*/
protected static $namespacePath;
/**
* @var ExtendedCacheItemPoolInterface[]
*/
protected static $instances = [];
/**
* @var array
*/
protected static $driverOverrides = [];
/**
* @var array
*/
protected static $driverCustoms = [];
/**
* @var array
*/
protected static $badPracticeOmeter = [];
/**
* CacheManager constructor.
*/
final protected function __construct()
{
// The cache manager is not meant to be instantiated
}
/**
* @param string $instanceId
* @return ExtendedCacheItemPoolInterface
* @throws PhpfastcacheInstanceNotFoundException
*/
public static function getInstanceById(string $instanceId): ExtendedCacheItemPoolInterface
{
if (isset(self::$instances[$instanceId])) {
return self::$instances[$instanceId];
}
throw new PhpfastcacheInstanceNotFoundException(sprintf('Instance ID %s not found', $instanceId));
}
/**
* Return the list of instances
*
* @return ExtendedCacheItemPoolInterface[]
*/
public static function getInstances(): array
{
return self::$instances;
}
/**
* This method is intended for internal
* use only and should not be used for
* any external development use the
* getInstances() method instead
*
* @return ExtendedCacheItemPoolInterface[]
* @internal
* @todo Use a proper way to passe them as a reference ?
*/
public static function &getInternalInstances(): array
{
return self::$instances;
}
/**
* @param string $name
* @param array $arguments
* @return ExtendedCacheItemPoolInterface
* @throws PhpfastcacheDriverCheckException
* @throws PhpfastcacheDriverException
* @throws PhpfastcacheDriverNotFoundException
* @throws PhpfastcacheInvalidArgumentException
* @throws PhpfastcacheInvalidConfigurationException
* @throws PhpfastcacheLogicException
* @throws \ReflectionException
*/
public static function __callStatic(string $name, array $arguments): ExtendedCacheItemPoolInterface
{
$options = (\array_key_exists(0, $arguments) && \is_array($arguments) ? $arguments[0] : []);
return self::getInstance($name, $options);
}
/**
* @param string $driver
* @param ConfigurationOptionInterface $config
* @param string|null $instanceId
* @return ExtendedCacheItemPoolInterface|AggregatablePoolInterface
* @throws PhpfastcacheDriverCheckException
* @throws PhpfastcacheDriverException
* @throws PhpfastcacheDriverNotFoundException
* @throws PhpfastcacheInvalidArgumentException
* @throws PhpfastcacheInvalidConfigurationException
* @throws PhpfastcacheLogicException
* @throws \ReflectionException
*/
public static function getInstance(string $driver, ?ConfigurationOptionInterface $config = null, ?string $instanceId = null): ExtendedCacheItemPoolInterface
{
$config = self::validateConfig($config);
$driver = self::standardizeDriverName($driver);
$instanceId = $instanceId ?: md5($driver . \serialize(\array_filter($config->toArray(), static function ($val){
return !\is_callable($val);
})));
if (!isset(self::$instances[$instanceId])) {
self::$badPracticeOmeter[$driver] = 1;
$driverClass = self::validateDriverClass(self::getDriverClass($driver));
if (\class_exists($driverClass)) {
$configClass = $driverClass::getConfigClass();
self::$instances[$instanceId] = new $driverClass(new $configClass($config->toArray()), $instanceId);
self::$instances[$instanceId]->setEventManager(EventManager::getInstance());
} else {
throw new PhpfastcacheDriverNotFoundException(sprintf('The driver "%s" does not exists', $driver));
}
} else {
if (self::$badPracticeOmeter[$driver] >= 2) {
\trigger_error(
'[' . $driver . '] Calling many times CacheManager::getInstance() for already instanced drivers is a bad practice and have a significant impact on performances.
See https://github.com/PHPSocialNetwork/phpfastcache/wiki/[V5]-Why-calling-getInstance%28%29-each-time-is-a-bad-practice-%3F'
);
}
}
self::$badPracticeOmeter[$driver]++;
return self::$instances[$instanceId];
}
/**
* @param ConfigurationOptionInterface|null $config
* @return ConfigurationOption
* @throws PhpfastcacheInvalidArgumentException
* @throws PhpfastcacheInvalidConfigurationException
* @throws \ReflectionException
*/
protected static function validateConfig(?ConfigurationOptionInterface $config): ConfigurationOption
{
if ($config === null) {
$config = self::getDefaultConfig();
} else {
if (!($config instanceof ConfigurationOption)) {
throw new PhpfastcacheInvalidArgumentException(\sprintf('Unsupported config type: %s', \gettype($config)));
}
}
return $config;
}
/**
* @return ConfigurationOptionInterface
* @throws PhpfastcacheInvalidConfigurationException
* @throws \ReflectionException
*/
public static function getDefaultConfig(): ConfigurationOptionInterface
{
return self::$config ?: self::$config = new ConfigurationOption();
}
/**
* @param string $driverName
* @return string
*/
public static function standardizeDriverName(string $driverName): string
{
return \ucfirst(\strtolower(\trim($driverName)));
}
/**
* @param string $driverClass
* @return string|ExtendedCacheItemPoolInterface
* @throws PhpfastcacheDriverException
*/
protected static function validateDriverClass(string $driverClass): string
{
if (!\is_a($driverClass, ExtendedCacheItemPoolInterface::class, true)) {
throw new PhpfastcacheDriverException(
\sprintf(
'Class "%s" does not implement "%s"',
$driverClass,
ExtendedCacheItemPoolInterface::class
)
);
}
return $driverClass;
}
/**
* @param string $driverName
* @return string
*/
public static function getDriverClass(string $driverName): string
{
if (!empty(self::$driverCustoms[$driverName])) {
$driverClass = self::$driverCustoms[$driverName];
} else {
if (!empty(self::$driverOverrides[$driverName])) {
$driverClass = self::$driverOverrides[$driverName];
} else {
$driverClass = self::getNamespacePath() . $driverName . '\Driver';
}
}
return $driverClass;
}
/**
* @return string
*/
public static function getNamespacePath(): string
{
return self::$namespacePath ?: self::getDefaultNamespacePath();
}
/**
* @return string
*/
public static function getDefaultNamespacePath(): string
{
return self::CORE_DRIVER_NAMESPACE;
}
/**
* @return bool
*/
public static function clearInstances(): bool
{
self::$instances = [];
\gc_collect_cycles();
return !\count(self::$instances);
}
/**
* @param ExtendedCacheItemPoolInterface $cachePoolInstance
* @return bool
* @since 7.0.4
*/
public static function clearInstance(ExtendedCacheItemPoolInterface $cachePoolInstance): bool
{
$found = false;
self::$instances = \array_filter(
\array_map(
static function (ExtendedCacheItemPoolInterface $cachePool) use ($cachePoolInstance, &$found) {
if (\spl_object_hash($cachePool) === \spl_object_hash($cachePoolInstance)) {
$found = true;
return null;
}
return $cachePool;
},
self::$instances
)
);
return $found;
}
/**
* @param ConfigurationOption $config
*/
public static function setDefaultConfig(ConfigurationOption $config): void
{
self::$config = $config;
}
/**
* @param string $driverName
* @param string $className
* @return void
* @throws PhpfastcacheLogicException
* @throws PhpfastcacheUnsupportedOperationException
* @throws PhpfastcacheInvalidArgumentException
*/
public static function addCustomDriver(string $driverName, string $className): void
{
$driverName = self::standardizeDriverName($driverName);
if (empty($driverName)) {
throw new PhpfastcacheInvalidArgumentException("Can't add a custom driver because its name is empty");
}
if (!\class_exists($className)) {
throw new PhpfastcacheInvalidArgumentException(
\sprintf("Can't add '%s' because the class '%s' does not exists", $driverName, $className)
);
}
if (!empty(self::$driverCustoms[$driverName])) {
throw new PhpfastcacheLogicException(\sprintf("Driver '%s' has been already added", $driverName));
}
if (\in_array($driverName, self::getDriverList(), true)) {
throw new PhpfastcacheLogicException(\sprintf("Driver '%s' is already a part of the PhpFastCache core", $driverName));
}
self::$driverCustoms[$driverName] = $className;
}
/**
* Return the list of available drivers Capitalized
* with optional FQCN as key
*
* @param bool $FQCNAsKey Describe keys with Full Qualified Class Name
* @return string[]
* @throws PhpfastcacheUnsupportedOperationException
*/
public static function getDriverList(bool $FQCNAsKey = false): array
{
static $driverList;
if (self::getDefaultNamespacePath() === self::getNamespacePath()) {
if ($driverList === null) {
$prefix = self::CORE_DRIVER_NAMESPACE;
$classMap = self::createClassMap(__DIR__ . '/Drivers');
$driverList = [];
foreach ($classMap as $class => $file) {
$driverList[] = \str_replace($prefix, '', \substr($class, 0, \strrpos($class, '\\')));
}
$driverList = \array_values(\array_unique($driverList));
}
$driverList = \array_merge($driverList, \array_keys(self::$driverCustoms));
if ($FQCNAsKey) {
$realDriverList = [];
foreach ($driverList as $driverName) {
$realDriverList[self::getDriverClass($driverName)] = $driverName;
}
$driverList = $realDriverList;
}
\asort($driverList);
return $driverList;
}
throw new PhpfastcacheUnsupportedOperationException('Cannot get the driver list if the default namespace path has changed.');
}
/**
* @param string $driverName
* @return void
* @throws PhpfastcacheLogicException
* @throws PhpfastcacheInvalidArgumentException
*/
public static function removeCustomDriver(string $driverName): void
{
$driverName = self::standardizeDriverName($driverName);
if (empty($driverName)) {
throw new PhpfastcacheInvalidArgumentException("Can't remove a custom driver because its name is empty");
}
if (!isset(self::$driverCustoms[$driverName])) {
throw new PhpfastcacheLogicException(\sprintf("Driver '%s' does not exists", $driverName));
}
unset(self::$driverCustoms[$driverName]);
}
/**
* @param string $driverName
* @param string $className
* @return void
* @throws PhpfastcacheLogicException
* @throws PhpfastcacheUnsupportedOperationException
* @throws PhpfastcacheInvalidArgumentException
*/
public static function addCoreDriverOverride(string $driverName, string $className): void
{
$driverName = self::standardizeDriverName($driverName);
if (empty($driverName)) {
throw new PhpfastcacheInvalidArgumentException("Can't add a core driver override because its name is empty");
}
if (!\class_exists($className)) {
throw new PhpfastcacheInvalidArgumentException(
\sprintf("Can't override '%s' because the class '%s' does not exists", $driverName, $className)
);
}
if (!empty(self::$driverOverrides[$driverName])) {
throw new PhpfastcacheLogicException(\sprintf("Driver '%s' has been already overridden", $driverName));
}
if (!\in_array($driverName, self::getDriverList(), true)) {
throw new PhpfastcacheLogicException(\sprintf("Driver '%s' can't be overridden since its not a part of the PhpFastCache core", $driverName));
}
if (!\is_subclass_of($className, self::CORE_DRIVER_NAMESPACE . $driverName . '\\Driver', true)) {
throw new PhpfastcacheLogicException(
\sprintf(
"Can't override '%s' because the class '%s' MUST extend '%s'",
$driverName,
$className,
self::CORE_DRIVER_NAMESPACE . $driverName . '\\Driver'
)
);
}
self::$driverOverrides[$driverName] = $className;
}
/**
* @param string $driverName
* @return void
* @throws PhpfastcacheLogicException
* @throws PhpfastcacheInvalidArgumentException
*/
public static function removeCoreDriverOverride(string $driverName): void
{
$driverName = self::standardizeDriverName($driverName);
if (empty($driverName)) {
throw new PhpfastcacheInvalidArgumentException("Can't remove a core driver override because its name is empty");
}
if (!isset(self::$driverOverrides[$driverName])) {
throw new PhpfastcacheLogicException(\sprintf("Driver '%s' were not overridden", $driverName));
}
unset(self::$driverOverrides[$driverName]);
}
}